Skip to main content
The Custom Biome Definition entry is the core of this extension. It allows you to register a entirely new biome into the server’s datapack system.

​
Configuration

​
biomeId
String
required
Unique ID for the biome (e.g. enchanted_forest). This is used in actions and checks.
​
displayName
String
The readable name used in placeholders and UI/Chat.
​
baseBiome
String
default:"minecraft:plains"
The vanilla biome to use as a template. Determines mob spawning and generation features unless overridden. Example: minecraft:forest.
​
temperature
Float
default:"0.5"
Biome temperature (0.0 to 1.0). Affects snow generation and foliage color in some resource packs.
​
downfall
Float
default:"0.5"
Rain/Snow amount (0.0 to 1.0).

​
Visuals (Colors)

​
fogColor
HexColor
Color of the distance fog.
​
waterColor
HexColor
Color of the water surface and underwater fog.
​
skyColor
HexColor
Color of the sky.
​
grassColor
HexColor
Override color for grass blocks.
​
foliageColor
HexColor
Override color for tree leaves and vines.
id: enchanted_biome
type: custom_biome_definition
name: "Enchanted Forest"
biomeId: enchanted_forest
baseBiome: minecraft:forest
temperature: 0.7
fogColor: "#1a3d2e"
waterColor: "#3f76e4"
skyColor: "#7ba4db"
[!WARNING] You must restart your server after creating or modifying a biome definition. The server needs to generate/update the datapack during the startup sequence.